1 | ; Project name : BIOS Drive Information Tool
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2 | ; Description : BIOS Drive Information Tool reads and displays
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3 | ; drive information from BIOS.
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4 |
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5 | ;
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6 | ; XTIDE Universal BIOS and Associated Tools
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7 | ; Copyright (C) 2009-2010 by Tomi Tilli, 2011-2013 by XTIDE Universal BIOS Team.
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8 | ;
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9 | ; This program is free software; you can redistribute it and/or modify
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10 | ; it under the terms of the GNU General Public License as published by
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11 | ; the Free Software Foundation; either version 2 of the License, or
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12 | ; (at your option) any later version.
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13 | ;
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14 | ; This program is distributed in the hope that it will be useful,
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15 | ; but WITHOUT ANY WARRANTY; without even the implied warranty of
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16 | ; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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17 | ; GNU General Public License for more details.
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18 | ; Visit http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
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19 | ;
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20 |
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21 | ; Include .inc files
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22 | %define INCLUDE_DISPLAY_LIBRARY
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23 | %define INCLUDE_KEYBOARD_LIBRARY
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24 | %include "AssemblyLibrary.inc" ; Assembly Library. Must be included first!
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25 | %include "Version.inc" ; From XTIDE Universal BIOS
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26 | %include "ATA_ID.inc" ; From XTIDE Universal BIOS
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27 | %include "Int13h.inc" ; From XTIDE Universal BIOS
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28 | %include "EBIOS.inc" ; From XTIDE Universal BIOS
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29 | FLG_DRVNHEAD_DRV EQU (1<<4) ; Required by CustomDPT.inc
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30 | %include "Romvars.inc" ; From XTIDE Universal BIOS
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31 | %include "CustomDPT.inc" ; From XTIDE Universal BIOS
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32 |
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33 |
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34 | ; Section containing code
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35 | SECTION .text
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36 |
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37 | ; Program first instruction.
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38 | ORG 100h ; Code starts at offset 100h (DOS .COM)
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39 | Start:
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40 | jmp StartBiosDriveInformationTool
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41 |
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42 | ; Include library and other sources
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43 | %include "AssemblyLibrary.asm"
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44 | %include "AtaGeometry.asm" ; From XTIDE Universal BIOS
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45 | %include "Strings.asm"
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46 | %include "AtaInfo.asm"
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47 | %include "Bios.asm"
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48 | %include "Print.asm"
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49 |
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50 |
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51 | ;--------------------------------------------------------------------
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52 | ; Program start
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53 | ;--------------------------------------------------------------------
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54 | ALIGN JUMP_ALIGN
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55 | StartBiosDriveInformationTool:
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56 | CALL_DISPLAY_LIBRARY InitializeDisplayContext
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57 | call Print_SetCharacterOutputToSTDOUT
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58 |
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59 | ; Display program name and version
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60 | mov si, g_szProgramName
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61 | call Print_NullTerminatedStringFromSI
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62 |
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63 | call ReadAndDisplayAllHardDrives
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64 |
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65 | ; Exit to DOS
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66 | mov ax, 4C00h ; Exit to DOS
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67 | int 21h
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68 |
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69 |
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70 | ;--------------------------------------------------------------------
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71 | ; ReadAndDisplayAllHardDrives
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72 | ; Parameters:
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73 | ; Nothing
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74 | ; Returns:
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75 | ; Nothing
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76 | ; Corrupts registers:
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77 | ; All, except segments
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78 | ;--------------------------------------------------------------------
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79 | ReadAndDisplayAllHardDrives:
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80 | call Bios_GetNumberOfHardDrivesToDX
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81 | jc SHORT .NoDrivesAvailable
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82 | mov cx, dx
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83 | mov dl, 80h ; First hard drive
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84 | jmp SHORT .DisplayFirstDrive
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85 |
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86 | .DisplayNextDriveFromDL:
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87 | mov si, g_szPressAnyKey
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88 | call Print_NullTerminatedStringFromSI
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89 | call Keyboard_GetKeystrokeToAXandWaitIfNecessary
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90 |
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91 | .DisplayFirstDrive:
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92 | ; Display drive number
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93 | mov si, g_szHeaderDrive
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94 | call Print_DriveNumberFromDLusingFormatStringInSI
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95 |
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96 | ; Display ATA information read from drive
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97 | mov si, g_szAtaInfoHeader
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98 | call Print_NullTerminatedStringFromSI
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99 | call AtaInfo_DisplayAtaInformationForDriveDL
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100 |
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101 | ; Display INT 13h AH=08h and AH=15h information
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102 | mov si, g_szOldInfoHeader
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103 | call Print_NullTerminatedStringFromSI
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104 | call DisplayOldInt13hInformationForDriveDL
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105 |
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106 | ; Display EBIOS information
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107 | mov si, g_szNewInfoHeader
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108 | call Print_NullTerminatedStringFromSI
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109 | call DisplayNewInt13hInformationFromDriveDL
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110 |
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111 | inc dx
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112 | loop .DisplayNextDriveFromDL
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113 | .NoDrivesAvailable:
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114 | ret
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115 |
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116 |
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117 | ;--------------------------------------------------------------------
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118 | ; DisplayOldInt13hInformationForDriveDL
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119 | ; Parameters:
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120 | ; DL: Drive Number
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121 | ; Returns:
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122 | ; Nothing
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123 | ; Corrupts registers:
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124 | ; All, except CX and DX
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125 | ;--------------------------------------------------------------------
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126 | DisplayOldInt13hInformationForDriveDL:
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127 | push cx
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128 | push dx
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129 |
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130 | ; Print L-CHS from AH=08h
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131 | call Bios_ReadOldInt13hParametersFromDriveDL
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132 | call Print_ErrorMessageFromAHifError
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133 | jc SHORT .SkipOldInt13hSinceError
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134 | call Print_CHSfromCXDXAX
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135 |
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136 | ; Print total sector count from AH=15h
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137 | mov si, g_szSectors
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138 | call Print_NullTerminatedStringFromSI
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139 | pop dx
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140 | push dx
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141 | call Bios_ReadOldInt13hCapacityFromDriveDL
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142 | call Print_ErrorMessageFromAHifError
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143 | jc SHORT .SkipOldInt13hSinceError
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144 |
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145 | xchg ax, dx
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146 | mov dx, cx
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147 | xor bx, bx
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148 | call Print_TotalSectorsFromBXDXAX
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149 | .SkipOldInt13hSinceError:
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150 | pop dx
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151 | pop cx
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152 | ret
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153 |
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154 |
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155 | ;--------------------------------------------------------------------
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156 | ; DisplayNewInt13hInformationFromDriveDL
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157 | ; Parameters:
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158 | ; DL: Drive Number
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159 | ; Returns:
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160 | ; Nothing
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161 | ; Corrupts registers:
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162 | ; All, except CX and DX
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163 | ;--------------------------------------------------------------------
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164 | DisplayNewInt13hInformationFromDriveDL:
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165 | push cx
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166 | push dx
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167 |
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168 | ; Display EBIOS version
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169 | call Bios_ReadEbiosVersionFromDriveDL
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170 | call Print_ErrorMessageFromAHifError
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171 | jc SHORT .SkipNewInt13hSinceError
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172 | call Print_EbiosVersionFromBXandExtensionsFromCX
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173 |
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174 | ; Display drive info from AH=48h
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175 | call Bios_ReadEbiosInfoFromDriveDLtoDSSI
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176 | call Print_ErrorMessageFromAHifError
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177 | jc SHORT .SkipNewInt13hSinceError
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178 |
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179 | ; Display CHS
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180 | test WORD [si+EDRIVE_INFO.wFlags], FLG_CHS_INFORMATION_IS_VALID
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181 | jz SHORT .SkipEbiosCHS
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182 | mov cx, [si+EDRIVE_INFO.dwCylinders]
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183 | mov dx, [si+EDRIVE_INFO.dwHeads]
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184 | mov ax, [si+EDRIVE_INFO.dwSectorsPerTrack]
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185 | call Print_CHSfromCXDXAX
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186 | .SkipEbiosCHS:
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187 |
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188 | ; Display total sector count
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189 | push si
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190 | mov si, g_szSectors
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191 | call Print_NullTerminatedStringFromSI
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192 | pop si
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193 | mov ax, [si+EDRIVE_INFO.qwTotalSectors]
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194 | mov dx, [si+EDRIVE_INFO.qwTotalSectors+2]
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195 | mov bx, [si+EDRIVE_INFO.qwTotalSectors+4]
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196 | call Print_TotalSectorsFromBXDXAX
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197 |
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198 | ; Display sector size
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199 | mov ax, [si+EDRIVE_INFO.wSectorSize]
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200 | mov si, g_szNewSectorSize
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201 | call Print_FormatStringFromSIwithParameterInAX
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202 |
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203 | .SkipNewInt13hSinceError:
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204 | pop dx
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205 | pop cx
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206 | ret
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